Finding the Fourth Proportional to 10,861.91, 16,284.89 and 3,462.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861.91 : 16,284.89 = 3,462.11 : x
2. Step 2: Convert to fraction form
   10,861.91/16,284.89 = 3,462.11/x
3. Step 3: Cross multiply
   10,861.91x = 16,284.89 × 3,462.11
4. Step 4: Simplify right side
   10,861.91x = 56,380,080.52
5. Step 5: Solve for x
   x = 56,380,080.52/10,861.91
6. Step 6: Final answer
   x = 5,190.62